8 files changed, 15 insertions, 54 deletions

diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index 236bbe18716..205dfed4121 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -247,13 +247,8 @@ static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power)
 
 static int nuri_bl_init(struct device *dev)
 {
-        int ret, gpio = EXYNOS4_GPE2(3);
-
-        ret = gpio_request(gpio, "LCD_LDO_EN");
-        if (!ret)
-                gpio_direction_output(gpio, 0);
-
-        return ret;
+        return gpio_request_one(EXYNOS4_GPE2(3), GPIOF_OUT_INIT_LOW,
+                                "LCD_LD0_EN");
 }
 
 static int nuri_bl_notify(struct device *dev, int brightness)
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index cec2afabe7b..cbf31bd0e2c 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -129,9 +129,7 @@ static void lcd_lte480wv_set_power(struct plat_lcd_data *pd,
                 gpio_free(EXYNOS4_GPD0(1));
 #endif
                 /* fire nRESET on power up */
-                gpio_request(EXYNOS4_GPX0(6), "GPX0");
-
-                gpio_direction_output(EXYNOS4_GPX0(6), 1);
+                gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0");
                 mdelay(100);
 
                 gpio_set_value(EXYNOS4_GPX0(6), 0);
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index a2a177ff4b4..0a04cd643b0 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -608,8 +608,7 @@ static void __init universal_tsp_init(void)
 
         /* TSP_LDO_ON: XMDMADDR_11 */
         gpio = EXYNOS4_GPE2(3);
-        gpio_request(gpio, "TSP_LDO_ON");
-        gpio_direction_output(gpio, 1);
+        gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "TSP_LDO_ON");
         gpio_export(gpio, 0);
 
         /* TSP_INT: XMDMADDR_7 */
@@ -669,8 +668,7 @@ static void __init universal_touchkey_init(void)
         i2c_gpio12_devs[0].irq = gpio_to_irq(gpio);
 
         gpio = EXYNOS4_GPE3(3);                 /* XMDMDATA_3 */
-        gpio_request(gpio, "3_TOUCH_EN");
-        gpio_direction_output(gpio, 1);
+        gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "3_TOUCH_EN");
 }
 
 static struct s3c2410_platform_i2c universal_i2c0_platdata __initdata = {
@@ -1000,9 +998,7 @@ static void __init universal_map_io(void)
 void s5p_tv_setup(void)
 {
         /* direct HPD to HDMI chip */
-        gpio_request(EXYNOS4_GPX3(7), "hpd-plug");
-
-        gpio_direction_input(EXYNOS4_GPX3(7));
+        gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug");
         s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
         s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
 
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 509a435afd4..4093fea849c 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -23,6 +23,7 @@
 
 #include <asm/cacheflush.h>
 #include <asm/hardware/cache-l2x0.h>
+#include <asm/smp_scu.h>
 
 #include <plat/cpu.h>
 #include <plat/pm.h>
@@ -213,27 +214,6 @@ static int exynos4_pm_add(struct sys_device *sysdev)
         return 0;
 }
 
-/* This function copy from linux/arch/arm/kernel/smp_scu.c */
-
-void exynos4_scu_enable(void __iomem *scu_base)
-{
-        u32 scu_ctrl;
-
-        scu_ctrl = __raw_readl(scu_base);
-        /* already enabled? */
-        if (scu_ctrl & 1)
-                return;
-
-        scu_ctrl |= 1;
-        __raw_writel(scu_ctrl, scu_base);
-
-        /*
-         * Ensure that the data accessed by CPU0 before the SCU was
-         * initialised is visible to the other CPUs.
-         */
-        flush_cache_all();
-}
-
 static unsigned long pll_base_rate;
 
 static void exynos4_restore_pll(void)
@@ -402,7 +382,7 @@ static void exynos4_pm_resume(void)
 
         exynos4_restore_pll();
 
-        exynos4_scu_enable(S5P_VA_SCU);
+        scu_enable(S5P_VA_SCU);
 
 #ifdef CONFIG_CACHE_L2X0
         s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save));
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 5811a96125f..404ac7aec3c 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -595,8 +595,7 @@ static struct s3c_sdhci_platdata aquila_hsmmc2_data __initdata = {
 
 static void aquila_setup_sdhci(void)
 {
-        gpio_request(AQUILA_EXT_FLASH_EN, "FLASH_EN");
-        gpio_direction_output(AQUILA_EXT_FLASH_EN, 1);
+        gpio_request_one(AQUILA_EXT_FLASH_EN, GPIOF_OUT_INIT_HIGH, "FLASH_EN");
 
         s3c_sdhci0_set_platdata(&aquila_hsmmc0_data);
         s3c_sdhci1_set_platdata(&aquila_hsmmc1_data);
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 15edcae448b..e2754e9bd6b 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -227,8 +227,7 @@ static void __init goni_radio_init(void)
         i2c1_devs[0].irq = gpio_to_irq(gpio);
 
         gpio = S5PV210_GPJ2(5);                 /* XMSMDATA_5 */
-        gpio_request(gpio, "FM_RST");
-        gpio_direction_output(gpio, 1);
+        gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "FM_RST");
 }
 
 /* TSP */
@@ -264,8 +263,7 @@ static void __init goni_tsp_init(void)
         int gpio;
 
         gpio = S5PV210_GPJ1(3);         /* XMSMADDR_11 */
-        gpio_request(gpio, "TSP_LDO_ON");
-        gpio_direction_output(gpio, 1);
+        gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "TSP_LDO_ON");
         gpio_export(gpio, 0);
 
         gpio = S5PV210_GPJ0(5);         /* XMSMADDR_5 */
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 8662ef6e568..513db9234c4 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -153,15 +153,12 @@ static void smdkv210_lte480wv_set_power(struct plat_lcd_data *pd,
 {
         if (power) {
 #if !defined(CONFIG_BACKLIGHT_PWM)
-                gpio_request(S5PV210_GPD0(3), "GPD0");
-                gpio_direction_output(S5PV210_GPD0(3), 1);
+                gpio_request_one(S5PV210_GPD0(3), GPIOF_OUT_INIT_HIGH, "GPD0");
                 gpio_free(S5PV210_GPD0(3));
 #endif
 
                 /* fire nRESET on power up */
-                gpio_request(S5PV210_GPH0(6), "GPH0");
-
-                gpio_direction_output(S5PV210_GPH0(6), 1);
+                gpio_request_one(S5PV210_GPH0(6), GPIOF_OUT_INIT_HIGH, "GPH0");
 
                 gpio_set_value(S5PV210_GPH0(6), 0);
                 mdelay(10);
@@ -172,8 +169,7 @@ static void smdkv210_lte480wv_set_power(struct plat_lcd_data *pd,
                 gpio_free(S5PV210_GPH0(6));
         } else {
 #if !defined(CONFIG_BACKLIGHT_PWM)
-                gpio_request(S5PV210_GPD0(3), "GPD0");
-                gpio_direction_output(S5PV210_GPD0(3), 0);
+                gpio_request_one(S5PV210_GPD0(3), GPIOF_OUT_INIT_LOW, "GPD0");
                 gpio_free(S5PV210_GPD0(3));
 #endif
         }
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 53754bcf15a..9fe35348e03 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -1437,11 +1437,10 @@ int __init s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel)
         size_t map_sz = sizeof(*nmap) * sel->map_size;
         int ptr;
 
-        nmap = kmalloc(map_sz, GFP_KERNEL);
+        nmap = kmemdup(sel->map, map_sz, GFP_KERNEL);
         if (nmap == NULL)
                 return -ENOMEM;
 
-        memcpy(nmap, sel->map, map_sz);
         memcpy(&dma_sel, sel, sizeof(*sel));
 
         dma_sel.map = nmap;